<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./defer.js" defer></script>
    <script src="./defer2.js" defer></script>
    <script src="./async1.js" async></script>
    <script src="./async2.js" async></script>
</head>
<body>
    <div>
        <p>
            test js 异步加载
        </p>
    </div>
    <script>
        console.log("页面js 1")
    </script>
    <script>
        console.log("页面js 2")
    </script>
</body>
</html>